Home / 1,379,743,274.49-1,904,053,454.58-785,027,746.50

Finding the Fourth Proportional to 1,379,743,274.49, 1,904,053,454.58 and 785,027,746.50

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Solution

The fourth proportional to 1,379,743,274.49, 1,904,053,454.58 and 785,027,746.50 is: 1,083,342,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,743,274.49 : 1,904,053,454.58 = 785,027,746.50 : x
  2. Step 2: Convert to fraction form
    1,379,743,274.49/1,904,053,454.58 = 785,027,746.50/x
  3. Step 3: Cross multiply
    1,379,743,274.49x = 1,904,053,454.58 × 785,027,746.50
  4. Step 4: Simplify right side
    1,379,743,274.49x = 1,494,734,792,664,477,440
  5. Step 5: Solve for x
    x = 1,494,734,792,664,477,440/1,379,743,274.49
  6. Step 6: Final answer
    x = 1,083,342,691.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.